dirs

Manipulation of directories and/or files.

Directory navigation

cd(*subdir[, mkdir, cwd, back_check, normalized])	Specifies the pathname of a directory (or file).
cdd(*subdir[, data_dir, mkdir, normalized])	Specifies the pathname of a directory (or file) under data_dir.
cd_data(*subdir[, data_dir, mkdir, normalized])	Specifies the pathname of a directory (or file) under data_dir of a package.
find_executable(name[, options, target, ...])	Finds the pathname of an executable file for a specified application.

Directory validation

normalize_pathname(pathname[, sep, add_slash])	Converts a pathname to a consistent file path format for cross-platform compatibility.
is_dir(path_to_dir)	Checks whether a string represents a valid directory path.
validate_dir([path_to_dir, subdir, msg])	Validates the pathname of a directory.
validate_filename(file_pathname[, suffix_num])	Validates the filename and create a new filename with a suffix if the original exists.
get_file_pathnames(path_to_dir[, file_ext, ...])	Gets paths of files in a directory matching the specified file extension.
check_files_exist(filenames, path_to_dir[, ...])	Checks if specified files exist within a given directory.
check_relative_pathname(pathname[, normalized])	Checks if the pathname is relative to the current working directory.

Directory/file management

add_slashes(pathname[, normalized, ...])	Adds leading and/or trailing slashes to a given pathname for formatting or display purposes.
delete_dir(path_to_dir[, ...])	Deletes a directory or directories.